2000 Hyundai Elantra P0335 code on 2000 Hyundai Elantra

2000 Hyundai Elantra 4 cyl Front Wheel Drive Automatic 108k miles

my engine shuts down intermittantly when the weather is warm. When the engine restarts the crank position sensor code is set in the computer. Should I just change the sensor?Also the transmission doesn't upshift right sometimes. Could a weak signal from the crank position sensor be causing this?
Thursday, April 2nd, 2009 AT 7:46 PM

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P0335 Engine crank sensor malfunction

To test this code, have a visual inspection of the location and wirings of the crank sensor. If the engine has a cam sensor, you might mistook it as the crank sensor (it is a good idea to contact ATS that can research this for you). Check the sensor wires for insulation making sure it is getting a voltage signal as shown in the wiring diagram. Sometimes, the wires itself is soaked with dirty oil causing the sensor to fail. If OK, check the engine timing belt system for any slack which can also cause the sensor to throw in the code. If all of these prove OK, remove the crank sensor and check it for resistance as compared to the standard specs. Lots of times, if the sensor probe end is contaminated with oil or cracked, this can only be revealed after the crank sensor is removed.
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Thursday, April 2nd, 2009 AT 7:52 PM

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